igneous
Biotite Granite
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness 6 on Mohs scale, composed of pinkish-white feldspar, clear quartz, and dark biotite mica flakes with vitreous luster.
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Physical properties
Hardness 6 on Mohs scale, composed of pinkish-white feldspar, clear quartz, and dark biotite mica flakes with vitreous luster.
Formation & geological history
Formed from the slow cooling and crystallization of magma deep beneath the Earth's crust over millions of years.
Uses & applications
Widely used in dimensional stone, construction, monuments, and interior countertops due to its durability and aesthetic appeal.
Geological facts
Granite is the most common plutonic rock on Earth and forms the core of many major mountain ranges.
Field identification & locations
Identified by its interlocking, coarse-grained crystal texture and prominent dark mica flakes; found globally in continental shields.
